Foreign scientists have developed a "silent bracelet" that can paralyze all surrounding microphones.
By Ginnifer Rotger 2020-02-19 1099 19
"Recording is really easy these days," said Pedro Lopez, an assistant professor at the University of Chicago. " He is an assistant professor at the University of Chicago and a staff member of the project. "this bracelet is a very useful defense mechanism. When you have something personal to say, you can activate it at any time. " At present, the Silence bracelet is still a prototype. But according to the researchers, it costs only $20 to make.
Ben Zhao, a professor of computer science at the University of Chicago, said: "in the future, we will be surrounded by these devices, but we have to assume that these devices are questionable and that your scope of trust will become very small, even limited to your own body."
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